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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 15 August 2017
Cyhoeddwyd: 16 May 2017
Cyhoeddwyd: 14 February 2017
Cyhoeddwyd: 28 November 2016
Cyhoeddwyd: 30 August 2016
Cyhoeddwyd: 12 June 2015
We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.